It is good practice to prefix the includes from one's C libraries with a directory so that they are all part of the same 'include namespace'. Unfortunately the Nordic SDK...
Hi, is there an available developer in my tri-state area of Minnesota, N. Dakota, or S. Dakota? Please call me if you are available for a project for hire. The developer should...
I'm trying to design a very low power sensor that takes readings using ADC and SPI 200 times a second. I'm a bit worried by the current EasyDMA uses (1.1mA). As far as I can...
Hi, I am working on a project where I want to make one nrf51288 chip as central hub and connect that to a android phone and other salve nrf51288 .
idea similar to this: ...
Hi,
I have a code programming the nRF51422 development board to write to a Sharp Memory 96x96 pixel LCD screen using SPI.
Currently the code writes two numbers and a...
I've modified the ble_app_uart example by adding GPIOTE so that the transmitter sends a character to the receiver when a GPIO pin is toggled. This part is working well.
...
Hi there,
I have two nRF52 Preview DK boards, SDK 0.9.1 and 0.9.2, and SoftDevice S132 1.0.0-3 alpha. Several months back I got the Bluetooth heart rate demo from SDK 0...
Hi,
i am trying to wake up the nrf52832 from system off with a gpio interrupt.
When the signal on my gpio pin 28 goes from Hi to Lo, i trigger a callback function in...
Hello all,
I'm building a project on the nRF52382 with the S132 (v2.0.0-4.alpha). The project includes a Central device (GATT Clients) that read and write to 2 peripheral...
Are there any specs available regarding the performance of the nRF52 ADC's internal voltage reference? Accuracy (%) and temperature drift (ppm/degC) would be good. I couldn...
Hello,
I'm developing proprietary radio protocol using nRF52 (not using softdevice) and would like to know if it is allowed to write NRF_RADIO->FREQUENCY register while...
Hello, I've got a problem with an app_timer
starting from the BLE_UART example, I've set
#define APP_TIMER_PRESCALER 4
#define CLOCK_CONFIG_LF_SRC NRF_CLOCK_LF_SRC_Xtal...
Hi NordicSemiconductor's Community,
I have a basic question about the RAM and ROM management in Blogs section.
I don't understand this paragraph:
"The IRAM size consumption...
Iam using LPCOMP for my project i would like ot know where the header files are available to download, iam getting the error
....\main.c(33): error: #5: cannot open source...
Why isn't the nRF52 ADC internal reference voltage included in the electrical characteristics on the SAADC in the Product Specification? Knowing what voltage the ADC is referencing...
The table on:
infocenter.nordicsemi.com/.../gpio.html
specifies: Iol,hdh = max 15 mA for Vdd >= 2.7V.
The graph lower on the page (Figure 6. Max sink current vs Voltage...
Hi Nordic,
when 51822 communicate with an app,is the best way to use different services and characters
to achieve different passageway or use a self expand protocol on...
dear all
I have two same 51 822 device with same program, one is normal, the other can't be connected even re-power manually .The two all can be found by nrf master control...
